1256251647

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{138797}}^1$

素因数の和:139238

約数の個数: 16

約数和(自身を含む): 1918743552

約数和(自身を除く): 662491905

約数列:

[1, 3, 7, 21, 431, 1293, 3017, 9051, 138797, 416391, 971579, 2914737, 59821507, 179464521, 418750549, 1256251647]

約数ペア:

[(1, 1256251647), (3, 418750549), (7, 179464521), (21, 59821507), (431, 2914737), (1293, 971579), (3017, 416391), (9051, 138797)]